FIELD: automated protection, test, control and diagnostics systems. SUBSTANCE: capacitive pressure transducer is formed from four layers of foiled or metallized dielectric films. First foiled film is common screen of transducer guarding against external actions. Second and fourth films are plates of capacitor. Perforated film is placed between second and fourth foiled dielectric films to increase sensitivity of transducer. Perforation cells communicate with atmospheric pressure by means of bearing holes. EFFECT: simplified design, facilitated manufacture and improved functional reliability. 1 dwg
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Authors
Dates
1997-06-20—Published
1994-04-28—Filed